40101520

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3947}}^1$

素因数の和:4087

約数の個数: 40

約数和(自身を含む): 93993984

約数和(自身を除く): 53892464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 3947, 5080, 7894, 10160, 15788, 19735, 31576, 39470, 63152, 78940, 157880, 315760, 501269, 1002538, 2005076, 2506345, 4010152, 5012690, 8020304, 10025380, 20050760, 40101520]

約数ペア:

[(1, 40101520), (2, 20050760), (4, 10025380), (5, 8020304), (8, 5012690), (10, 4010152), (16, 2506345), (20, 2005076), (40, 1002538), (80, 501269), (127, 315760), (254, 157880), (508, 78940), (635, 63152), (1016, 39470), (1270, 31576), (2032, 19735), (2540, 15788), (3947, 10160), (5080, 7894)]